Question 35 · LDEK · Complete dentures
A posterior palatal seal is added to a maxillary complete denture in order to:
1) increase the denture base area;
2) maintain the sealing along the junction of the hard and soft palate;
3) achieve the peripheral seal;
4) enhance retention of the denture on the bearing area;
5) prevent food accumulation under the denture base;
6) decrease the gag reflex;
7) compensate for polymerization shrinkage;
8) decrease the palatal denture base area.
The correct answer is:
2) maintain the sealing along the junction of the hard and soft palate;
3) achieve the peripheral seal;
4) enhance retention of the denture on the bearing area;
5) prevent food accumulation under the denture base;
6) decrease the gag reflex;
7) compensate for polymerization shrinkage;
8) decrease the palatal denture base area.
The correct answer is:
- A. 1,2,5,6.
- B. 2,3,4,7,8.
- C. 2,3,4,5,6,7.
- D. 1,2,4,7.
- E. 2,4,7,8.
Hint
Consider what pressing the posterior border into compressible tissue achieves for seal, retention, comfort and processing shrinkage.
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